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EP0011258B1 - Dispositif pour la fixation externe des fragments d'un os fracturé - Google Patents

Dispositif pour la fixation externe des fragments d'un os fracturé Download PDF

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Publication number
EP0011258B1
EP0011258B1 EP79104428A EP79104428A EP0011258B1 EP 0011258 B1 EP0011258 B1 EP 0011258B1 EP 79104428 A EP79104428 A EP 79104428A EP 79104428 A EP79104428 A EP 79104428A EP 0011258 B1 EP0011258 B1 EP 0011258B1
Authority
EP
European Patent Office
Prior art keywords
central body
ball
thread
bolt
core
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP79104428A
Other languages
German (de)
English (en)
Other versions
EP0011258A1 (fr
Inventor
Giovanni De Bastiani
Lodovico Renzi Brivio
Roberto Aldegheri
Guiseppina Danieletto
Giovanni Faccioli
Andrea Cavazzana
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Orthofix SRL
Original Assignee
Orthofix SRL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26330134&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0011258(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from IT84949/78A external-priority patent/IT1110581B/it
Priority claimed from IT8493079A external-priority patent/IT1166352B/it
Application filed by Orthofix SRL filed Critical Orthofix SRL
Priority to AT79104428T priority Critical patent/ATE2297T1/de
Publication of EP0011258A1 publication Critical patent/EP0011258A1/fr
Application granted granted Critical
Publication of EP0011258B1 publication Critical patent/EP0011258B1/fr
Expired legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements for external osteosynthesis, e.g. distractors, contractors
    • A61B17/64—Devices extending alongside the bones to be positioned
    • A61B17/6458—Devices extending alongside the bones to be positioned with pin-clamps fixed at ends of connecting element
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements for external osteosynthesis, e.g. distractors, contractors
    • A61B17/66—Alignment, compression or distraction mechanisms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86—Pins or screws or threaded wires; nuts therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32008—Plural distinct articulation axes
    • Y10T403/32032—Plural ball and socket
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32254—Lockable at fixed position
    • Y10T403/32262—At selected angle
    • Y10T403/32311—Ball and socket
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32606—Pivoted
    • Y10T403/32631—Universal ball and socket
    • Y10T403/32737—Universal ball and socket including liner, shim, or discrete seat
    • Y10T403/32754—Variably preloaded

Definitions

  • the invention relates to a device for the external fixing of the parts of a broken bone, with an elongated central body, the central body carrying two longitudinally adjustable clamping devices for nails that can be used in a bone part, the free ends of the central body each having a ball joint with the Clamping devices are connected and the position of the clamping devices with respect to the central body can be fixed by locking devices, and with a pushing and pulling device acting on the central body, which has a screw bolt, the pushing and pulling device being detachably connected to the central body.
  • Such a device is known from DE-A1-2718515.
  • This known device has a relatively large lateral space requirement, since on a central body consisting of a continuous rod on both sides perpendicularly projecting from the rod, along the strand displaceable parts are provided, which can be gripped at one end by the removable push and pull device , while the end pointing towards the broken link carries a ball joint, which in turn is connected to the clamping device for the nails.
  • the lateral space requirement of the known device remains essentially the same, since the push and pull device does not protrude laterally from the rod than the parts provided for gripping by this device.
  • the invention is intended to improve a device of this type in such a way that, even with prolonged use, the device is secured absolutely securely to the limb to be shone with simple attachment and a small space requirement for the device.
  • the center body consists in a conventional manner of two parts parallel to its longitudinal axis displaceable against each other, which are telescopically interlocked and mutually fixable that the centers of rotation of the two ball joints lie on the longitudinal axis of the center body, that a Receiving base for a ball is attached to each end of the central body and a threaded ring bearing against the ball can be screwed onto this base, so that the pressure and pulling device has two hollow cylinders which carry approximately vertically protruding bolts which can be inserted into cavities that adhere to one another the free ends of the parts of the central body, the head of the bolt resting on the first wooden cylinder and the shaft penetrating the first hollow cylinder, being fixedly connected to an intermediate sleeve between the hollow cylinders and having an external thread section in an I provided in the second hollow cylinder Internal thread engages, and that the nails carry at least in the section insertable into the bone an external thread.
  • the combination of these features creates an extremely simple, lightweight device with little lateral space requirement, which can be attached directly along the limb to be shone and, with the exception of the nails, only extends slightly beyond the circumference of the central body.
  • the axial arrangement of the center body and ball joints and the very safe posture of the ball joints themselves ensures extremely good stability, with only low torques occurring at the ball joints.
  • the inventive design of the pushing and pulling device for bracing the device also contributes to the fact that forces are exerted on the parts of the device only in the direction of the longitudinal axis of the central body and that, particularly after removing the pushing and pulling device, no parts protruding laterally from the central body this exist.
  • an external thread according to the invention on the nails, a loose fit of the nails in the bone and thus the reason for loosening the entire device during use is avoided from the outset. Above all, this thread prevents the formation of microfractures of the bone when the nails are inserted into the bone.
  • the device according to the invention has a central body, which consists of an outer cylinder 10, into which a rod 11 is telescopically inserted, with a head 12, the outer shape of which corresponds to that of the cylinder 10, in which the receiving bearing of a bolt 13 of the pressure and Traction device 14 is provided.
  • the upper part 15 of the head 12 is fixedly connected in a known manner to a base 16, which carries a spherical cap-shaped receiving seat for a ball 18, which, via a collar 19 and a rod 20, is fixed to a fixed jaw 21 of a clamping device 17 carrying the nails connected is.
  • the receiving seat of a bolt 13 'of the device 14 is provided, while the lower part 15' of the cylinder 10 for anchoring and fixing a joint and a clamping device which are identical to those described above are firmly connected to a base 16 '.
  • the nail has a shaft 25 and a conical core 29 with a conical thread, as can be seen in more detail in FIG. 6, with a spiral-shaped thread profile, the conicity of which corresponds to that of the core 29 and which has a constant pitch so that the protrusion of the thread against the core, the inclination of the walls of the thread and the width of the grooves are constant.
  • a conically shaped nail with the properties described above has the special property of being able to eliminate the play that may arise between the bone and the nail as a result of an expansion of the receiving cavity for the nail, which also results in the walls of the cavity yielding of the tension or pressure to which the device is exposed, simply by screwing the nail in further, which obviously has to be done as far as is necessary to eliminate the resulting play.
  • the core 30 of the nail shown has a conical shape, while the thread 31 is in the form of a cylindrical screw, which is why the core of the nail is primarily involved in eliminating the play.
  • the opposite is the case because the core 32 is cylindrical, while the thread 33 runs as a conical spiral, which is why in this case the elimination of the play mainly depends on the thread.
  • the three types of nails can be used with a single clamp, even if the function they perform differs from nail to nail.
  • the nail can have a core and a thread as described in FIGS. 6, 7 and 8 only in the zones penetrating into the cortex areas of the bone, as a result of which the essential features of the invention are not changed.
  • a nail according to the invention may in part have a cylindrical core known per se with a thread in the form of a cylindrical screw, which is in a core and / or in a thread conical course continues.
  • the nails produced according to the above description can have a shaft or a rod 34 which can be screwed into the cavity of a supporting part 35 which can be inserted between the jaws of the clamping devices 17, so that the nail can be rotated by means of a hook wrench, the hooks of which can engage in hook holes 36, thereby eliminating the game described above without having to release the jaws of the clamping devices 17.
  • the pitch of the thread on the shaft corresponds exactly to the pitch of the thread on the core of the nail.
  • the middle body of the device is brought into a position in which its longitudinal axis is parallel to the longitudinal axis of the Bone runs, and introduces the shafts of the nails or their supporting parts into the receiving seats 26 of the jaws of the clamping devices 17, in order to then make the final fixing of the clamping devices with respect to the central body and the jaws of the clamping devices with respect to the nails.
  • the device is now able to exert pressure or tension on the bone through the use of the device 14, to which a hollow cylinder 37, to the lower end of which the bolt 13 'is attached, a second hollow cylinder 38, to which the Bolt 13 is attached, a screw 39, the head 40 is mounted in the hollow cylinder 38, and include a sleeve 41 which is fixedly connected to a rod portion 42 of the screw 39, the external thread of which engages in the internal thread of the hollow cylinder 37.
  • the rod 11, see Fig. 2, is provided with a groove 43 in which a stop and fixing peg 44 protrudes.
  • This peg 44 is, see FIG. 4, firmly connected with a screw 45, the external thread of which engages in the internal thread, which is provided at a suitable point in part 10.
  • the screw 45 is tightened and the peg 44 is brought against the bottom of the groove 43 to press and fix the parts 10 and 12 of the central body of the device against each other by friction.
  • the device 14 can therefore be removed from the device by relaxing it and then pulling the bolts 13-13 'out of the corresponding receiving seats.
  • a cylindrical pin 15 " is mounted in the end 15 'of the cylinder 10 of the central body, the central part 15"' of which is eccentric with respect to its ends.
  • the end 15 ' continues into a hollow cylinder 115 with an annular projection 115' which is cut off at 115 "along two parallel planes which contact the outer surface of the hollow cylinder 115, the cut-off points 115" inserting and subsequently rotating one Fast allow plug sleeve 22 with an annular cavity 22 ', which is formed in a form-fitting manner to the annular projection 115'.
  • a shell 16 ' is mounted with a spherical cap-shaped receiving seat for the ball 18, which, via the collar 19 and the rod 20, is fixed to the fixed jaw 21 of a clamping device, not shown, which carries the nails, corresponding to the clamping device shown in FIG. 1 17 is connected.
  • its outer surface can be provided with knurling 18 'in whole or in part; Similarly, the surfaces that come into contact with the ball 18 can be knurled.
  • the shank 25 has a diameter which is slightly larger than the core 32 and the thread 33, so that an annular projection 25 'stops the nail on the Bone zone of the bone, and it is obvious that three nails inserted before or after a fracture surface in such a way that one of them penetrates the bone on the opposite side from the other two, with their stops 25 'mutual displacements between the bone and the Prevent device along the axis of the nails, even if there should be a play between the bone and the nail in the area of the core 32 and / or the thread 33.
  • the receiving seat 25 is provided on the free end of the shaft 25 in order to attach the nail to a manual or electrical device for perforating the bone, for example a drill, while at the other end the core 32 carries a receiving cone 32 'for a tip designed as a drill, which can be removed as soon as the nail is fastened in the bone.
  • a manual or electrical device for perforating the bone for example a drill
  • the core 32 carries a receiving cone 32 'for a tip designed as a drill, which can be removed as soon as the nail is fastened in the bone.
  • such a tip carries a tool cone 32 ′′, which is designed in a form-fitting manner with respect to the receiving seat 32 ′, and has hook bores 36 in order to be inserted into the conical receiving seat 32 ′ by means of a rotary movement by means of a hook wrench
  • This tip is in the form of a worm drill and consists of a handle which ends in a conical screw 132 which continues into lateral helical cutting edges 132 'with a substantially greater pitch, which delimit an open cavity 132 "for receiving the drilling waste.
  • the cavity 132 is dimensioned so that it can completely accommodate the drilling waste and that it can also be partially provided inside the tip itself.
  • a nail tapering into a rounded tip 10a can only be inserted into a bone if the corresponding hole has been previously drilled therein, while the nails according to Figs lance-shaped tip 11a or end in a conical tip 12a, can also be driven in by simply driving in.

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Medical Informatics (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Claims (11)

1. Dispositif pour l'immobilisation extérieure des parties d'un os fracturé, comportant un corps central (10, 11) allongé, ce corps central (10, 11) portant deux dispositifs de serrage (17) réglables en direction longitudinale pour des clous (25, 29-36, 132) à mettre en place dans une partie d'os, chacune des extrémités libres du corps central (10, 11) étant reliée au dispositif de serrage par un joint à rotule (16, 16', 18, 22), et la position du dispositif de serrage (17) par rapport au corps central (10, 11) pouvant être fixée par des dispositifs de blocage (22, 24, 16, 16'), et comportant un mécanisme de compression et de traction (14) agissant sur le corps central (10, 11) et pourvu d'un boulon fileté (39), le mécanisme de compression et de traction (14) étant attaché au corps central (10, 11) de façon amovible, caractérisé en ce que le corps central (10, 11) est composé, d'une façon connué en soi, de deux parties (10, 11) coulissant l'une par rapport à l'autre parallèlement à l'axe longitudinal, s'emboîtant en forme de télescope, et qui peuvent être arrêtées l'une par rapport à l'autre, que les centres de rotation des deux joints à rotule (16, 16', 18, 22) sont disposés sur l'axe longitudinal du corps central (10, 11), que pour chacune des rotules (18) un socle de logement (16, 16') est fixé à chaque bout du corps central (10, 11) et qu'une bague filetée (22) portant contre la rotule (18) peut être vissée sur ce socle (16, 16'), que le mécanisme de compression et de traction (14) comporte deux cylindres creux (37, 38) qui portent des boulons (13, 13') faisant saillie sensiblement à angle droit, qui peuvent s'insérer dans des cavités prévues aux bouts libres des parties (10, 11) du corps central, la tête (40) du boulon fileté (39) portant contre le premier cylindre creux (38), alors que sa tige (42) traverse le premier cylindre creux (38), est solidaire d'un manchon intermédiaire (41) entre les cylindres creux (37, 38) et s'engage avec une partie filetée (39) dans une partie taraudée dans le deuxième cylindre creux (37), et que les clous (25, 29-36, 132) portent un filet extérieur (31, 33) au moins sur la partie prévue à être insérée dans l'os.
2. Dispositif selon la revendication 1, caractérisé en ce que les clous présentent une tige cylindrique (25) et un noyau conique (29) pourvu d'un filet extérieur hélicoïdal à pas constant, les conicités extérieures du noyau (29) et du filet extérieur étant parallèles et la tige (25) pouvant être arrêtée dans un logement (26) des joues (21, 27) des dispositifs de serrage (17).
3. Dispositif selon la revendication 1, caractérisé en ce que les clous présentent une tige cylindrique (25) et un noyau conique (30) portant un filet extérieur (31) cylindrique à pas constant, la tige (25) pouvant être arrêtée dans un logement (26) des joues (21, 27) des dispositifs de serrage (17).
4. Dispositif selon l'une des revendications 2 ou 3, caractérisé en ce que la tige cylindrique (34) porte un filet extérieur cylindrique dont le pas correspond à celui du filet du noyau (31, 33) et que la tige (34) est vissée dans une cavité d'une attache (35) dont le filet intérieur correspond au filet extérieur de la tige, l'attache (35) pouvant être arrêtée dans un logement (26) des joues (21, 27) des dispositifs de serrage (17).
5. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que des vis (24) traversant la bague filetée (22) sont prévues pour le blocage supplémentaire des joints à rotule (16, 16', 18, 22).
6. Dispositif selon la revendication 1, caractérisé en ce que les dispositifs de blocage des joints à rotule (16, 16', 18, 22) se composent d'un boulon cylindrique (15") avec une partie médiane excentrique (15"') traversant un percement du bout correspondant (15, 15') du corps central (10, 11), d'une coupe en calotte (16') pour recevoir la rotule (18) du joint, qui est mobile dans une partie du cylindre creux (115) au bout (15') du corps central (10, 11) et qui porte avec sa partie inférieure sur la partie excentrique (15"') du boulon (15"), d'un manchon de raccordement rapide (22) rapporté sur la partie de cylindre creux (115) et pourvu d'un anneau (22") à surface en forme de coupe en calotte, et de dispositifs (23', 23", -24', 24", 24"') pour arrêter le boulon cylindrique (15") dans une position angulaire stable.
7. Dispositif selon la revendication 6, caractérisé par des moletages (18') sur la rotule (18) et/ou sur les surfaces des coupes (16') et du manchon de raccordement rapide (22).
8. Dispositif selon l'une des revendications 6 ou 7, caractérisé en ce que les dispositifs pour arrêter le boulon cylindrique (15") consistent en une vis sans tête (23') portant contre la partie excentrique (15"') du boulon (15").
9. Dispositif selon l'une des revendications 6 ou 7, caractérisé en ce que les dispositifs pour arrêter le boulon cylindrique (15") se composent d'écrous (24', 24") et/ou de vis (23') exerçant une traction axiale sur le boulon (15"), l'effet de traction étant amorti par au moins une rondelle ressort (24"').
10. Dispositif selon la revendication 1, caractérisé en ce que les clous présentent un noyau lisse (32) se terminant en une pointe, qu'au moins une partie du noyau (32) est pourvue d'un filet (33) saillant radialement sur le noyau, et qu'au moins une tige (25) saillant légèrement sur le filet (33) est prévue.
11. Dispositif selon la revendication 10, caractérisé en ce que les clous possèdent une pointe amovible consistant en un noyau (132) effilé avec un filetage de vis conique qui se convertit vers l'arrière en une section cylindrique équipée de tranchants hélicoïdaux (132') à pente raide qui définissent un creux (132") pour recevoir la rognure.
EP79104428A 1978-11-10 1979-11-09 Dispositif pour la fixation externe des fragments d'un os fracturé Expired EP0011258B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT79104428T ATE2297T1 (de) 1978-11-10 1979-11-09 Vorrichtung zur aeusseren festlegung der teile eines gebrochenen knochens.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
IT84949/78A IT1110581B (it) 1978-11-10 1978-11-10 Fissatore esterno di elevata stabilita
IT8494978 1978-11-10
IT8493079A IT1166352B (it) 1979-04-05 1979-04-05 Fissatore esterno di elevata stabilita'
IT8493079 1979-04-05

Publications (2)

Publication Number Publication Date
EP0011258A1 EP0011258A1 (fr) 1980-05-28
EP0011258B1 true EP0011258B1 (fr) 1983-01-26

Family

ID=26330134

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79104428A Expired EP0011258B1 (fr) 1978-11-10 1979-11-09 Dispositif pour la fixation externe des fragments d'un os fracturé

Country Status (11)

Country Link
US (2) US4312336A (fr)
EP (1) EP0011258B1 (fr)
AU (1) AU525751B2 (fr)
CA (1) CA1136504A (fr)
DE (1) DE2964644D1 (fr)
DK (1) DK149662C (fr)
ES (1) ES253459Y (fr)
FI (1) FI793463A (fr)
IL (1) IL58642A (fr)
NO (1) NO152076C (fr)
PT (1) PT70429A (fr)

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024256A2 (fr) * 1979-08-08 1981-02-25 Jaquet Orthopedie S.A. Appareil d'allongement et de compression pour fixation squelettique externe
FR2551650A1 (fr) * 1983-09-09 1985-03-15 Clyburn Terry Fixateur externe dynamique pour traitement des fractures, et procede d'utilisation
EP0216563A1 (fr) * 1985-09-16 1987-04-01 Pfizer Hospital Products Group, Inc. Dispositif de fixation externe des os
US4696293A (en) * 1982-09-30 1987-09-29 Ciullo Jerome V Hinged external fixator
WO1988005287A1 (fr) * 1987-01-21 1988-07-28 Dietmar Pennig Dispositif d'aide a l'osteosynthese
EP0315215A2 (fr) * 1987-11-05 1989-05-10 Robert Sturtzkopf Dispositif de fixation externe pour fragments d'os
WO1989009031A1 (fr) * 1988-03-24 1989-10-05 Sheffield City Council Fixateur d'os
DE3842255A1 (de) * 1988-12-15 1990-06-21 Leibinger Medizintech Externe knochenbruchteil-verbindungsvorrichtung
WO1991011150A1 (fr) * 1990-01-30 1991-08-08 Sheffield City Council Fixateur d'os
WO1991011151A1 (fr) * 1990-01-30 1991-08-08 Sheffield City Council Fixateur d'os
FR2667781A1 (fr) * 1990-10-12 1992-04-17 Materiel Orthopedique Cie Gle Attelle externe de fixation et reduction de fractures osseuses.
EP0490812A1 (fr) * 1990-12-10 1992-06-17 Jaquet Orthopedie S.A. Fixateur externe pour l'ostéosynthèse
EP0522355A1 (fr) * 1991-07-12 1993-01-13 Pennig, Dietmar, Dr. med. Accouplement à serrage pour rattacher des vis à os à un fixateur externe
EP0523412A1 (fr) * 1991-07-16 1993-01-20 Pennig, Dietmar, Dr. med. Accouplement à serrage pour rattacher des vis à os à un fixateur externe
FR2679765A1 (fr) * 1991-08-02 1993-02-05 Orthofix Srl Fixateur externe axial.
WO1994000067A1 (fr) * 1992-06-26 1994-01-06 Dietmar Pennig Moyen auxiliaire d'osteosynthese pour la contention d'os
US5304177A (en) * 1992-06-26 1994-04-19 Dietmar Pennig Auxiliary device for osteosynthesis
US5738684A (en) * 1995-05-01 1998-04-14 Keele University External bone fixator
US5803924A (en) * 1993-08-05 1998-09-08 Hi-Shear Fastners Europe Limited External fixator
US5951556A (en) * 1996-05-15 1999-09-14 Orthofix S.R.L. Compact external fixation device
US6024745A (en) * 1997-05-21 2000-02-15 Orthofix, S.R.L. External minisplint device
US6409729B1 (en) 1998-05-19 2002-06-25 Synthes (Usa) Clamp assembly for an external fixation system
US6500177B1 (en) 1998-05-19 2002-12-31 Synthes (Usa) Telescopic body for an external fixation system
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EP0024256A2 (fr) * 1979-08-08 1981-02-25 Jaquet Orthopedie S.A. Appareil d'allongement et de compression pour fixation squelettique externe
EP0024256A3 (fr) * 1979-08-08 1981-04-01 Jaquet Orthopedie S.A. Appareil d'allongement et de compression pour fixation squelettique externe
US4696293A (en) * 1982-09-30 1987-09-29 Ciullo Jerome V Hinged external fixator
FR2551650A1 (fr) * 1983-09-09 1985-03-15 Clyburn Terry Fixateur externe dynamique pour traitement des fractures, et procede d'utilisation
GB2146533A (en) * 1983-09-09 1985-04-24 Clyburn Terry Dynamic external fixator
EP0216563A1 (fr) * 1985-09-16 1987-04-01 Pfizer Hospital Products Group, Inc. Dispositif de fixation externe des os
WO1988005287A1 (fr) * 1987-01-21 1988-07-28 Dietmar Pennig Dispositif d'aide a l'osteosynthese
EP0315215A2 (fr) * 1987-11-05 1989-05-10 Robert Sturtzkopf Dispositif de fixation externe pour fragments d'os
EP0315215A3 (en) * 1987-11-05 1989-12-06 Robert Sturtzkopf External fixation device for bone fragments
WO1989009031A1 (fr) * 1988-03-24 1989-10-05 Sheffield City Council Fixateur d'os
DE3842255A1 (de) * 1988-12-15 1990-06-21 Leibinger Medizintech Externe knochenbruchteil-verbindungsvorrichtung
WO1991011150A1 (fr) * 1990-01-30 1991-08-08 Sheffield City Council Fixateur d'os
WO1991011151A1 (fr) * 1990-01-30 1991-08-08 Sheffield City Council Fixateur d'os
EP0481664A1 (fr) * 1990-10-12 1992-04-22 Compagnie Generale De Materiel Orthopedique Atelle externe de fixation et réduction de fractures osseuses
FR2667781A1 (fr) * 1990-10-12 1992-04-17 Materiel Orthopedique Cie Gle Attelle externe de fixation et reduction de fractures osseuses.
EP0490812A1 (fr) * 1990-12-10 1992-06-17 Jaquet Orthopedie S.A. Fixateur externe pour l'ostéosynthèse
EP0522355A1 (fr) * 1991-07-12 1993-01-13 Pennig, Dietmar, Dr. med. Accouplement à serrage pour rattacher des vis à os à un fixateur externe
EP0523412A1 (fr) * 1991-07-16 1993-01-20 Pennig, Dietmar, Dr. med. Accouplement à serrage pour rattacher des vis à os à un fixateur externe
FR2679765A1 (fr) * 1991-08-02 1993-02-05 Orthofix Srl Fixateur externe axial.
WO1994000067A1 (fr) * 1992-06-26 1994-01-06 Dietmar Pennig Moyen auxiliaire d'osteosynthese pour la contention d'os
US5304177A (en) * 1992-06-26 1994-04-19 Dietmar Pennig Auxiliary device for osteosynthesis
US5803924A (en) * 1993-08-05 1998-09-08 Hi-Shear Fastners Europe Limited External fixator
US5738684A (en) * 1995-05-01 1998-04-14 Keele University External bone fixator
US5951556A (en) * 1996-05-15 1999-09-14 Orthofix S.R.L. Compact external fixation device
US6024745A (en) * 1997-05-21 2000-02-15 Orthofix, S.R.L. External minisplint device
US6409729B1 (en) 1998-05-19 2002-06-25 Synthes (Usa) Clamp assembly for an external fixation system
US6500177B1 (en) 1998-05-19 2002-12-31 Synthes (Usa) Telescopic body for an external fixation system
US7507240B2 (en) 2005-03-18 2009-03-24 Ron Anthon Olsen Adjustable splint for osteosynthesis
US7575575B2 (en) 2005-03-18 2009-08-18 Ron Anthon Olsen Adjustable splint for osteosynthesis with modular components
US7588571B2 (en) 2005-03-18 2009-09-15 Ron Anthon Olsen Adjustable splint for osteosynthesis with modular joint
US7731738B2 (en) 2005-12-09 2010-06-08 Orthopro, Llc Cannulated screw

Also Published As

Publication number Publication date
ES253459Y (es) 1982-04-16
USRE31809E (en) 1985-01-22
PT70429A (fr) 1979-12-01
CA1136504A (fr) 1982-11-30
ES253459U (es) 1981-09-01
NO793610L (no) 1980-05-13
AU5264579A (en) 1980-05-15
IL58642A0 (en) 1980-02-29
FI793463A (fi) 1980-05-11
DE2964644D1 (en) 1983-03-03
NO152076B (no) 1985-04-22
US4312336A (en) 1982-01-26
EP0011258A1 (fr) 1980-05-28
DK149662C (da) 1987-05-11
DK472579A (da) 1980-05-11
DK149662B (da) 1986-09-01
NO152076C (no) 1985-07-31
AU525751B2 (en) 1982-11-25
IL58642A (en) 1982-02-28

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